The PKO-45 is the slimmest .45 ever made, I think. But "could" doesn't mean "should".

0:00 Intro
0:32 First impressions: heavy!
01:07 Grip, build quality
01:55 Controls
02:48 Sights
03:18 Magazines
03:57 Disassembly
04:39 At the range
05:09 Malfunctions
06:48 Quirks
07:30 Who is it for?
08:21 Conclusion